Bolt Chain Adjuster Bolt — M8x50mm (Pair) Upgrade your motorcycle's rear alignment and reliability with this pair of Bolt Chain Adjuster Bolts. Precision-made for stock swingarm applications, these bolts ensure smooth chain tensioning and long-lasting performance. Includes: Two M8×50mm stainless steel adjuster bolts and two matching flange nuts Corrosion resistant: Stainless steel construction prevents rust and seizing inside the swingarm Secure fit: Serrated flange nuts bite into the mounting surface to resist loosening under vibration Durable core: Grade 8.8 steel adjuster bolts provide high tensile strength for dependable alignment Direct fit: Designed for stock applications for easy installation—no modification required Ideal for routine maintenance or upgrading worn hardware, Bolt Chain Adjuster Bolts deliver improved longevity and precise chain adjustment for safer, smoother rides.